A sensor composition for acetone detection in breath

Active Publication Date: 2015-10-22
COUNCIL OF SCI & IND RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0009]Another object of the present invention is to provide an improved composition for low concentration acetone detection (˜1 ppm) in breath and a process of preparation thereof.
[0010]Another object of the present invention is to provide a metal oxide semiconductor-based composition for low concentration selective detection of acetone in breath in prese

Problems solved by technology

However, an early detection of diabetes can lower the potential dangers of the killer disease.
However, the process is expensive, and on the top, an invasive one.
So far, no non-invasive household gadget is available in the market for monitoring diabetes.
The drawbacks of the so far studied metal oxide semi

Method used

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  • A sensor composition for acetone detection in breath
  • A sensor composition for acetone detection in breath
  • A sensor composition for acetone detection in breath

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0050]In order to prepare a composition having 5.7 wt % Sb2O3, 1.4 wt % Pt and 92.9 wt % γ-Fe2O3, the following solutions were prepared: a) 2.424 g Fe(NO3)3.9H2O (Merck, 99% purity) in 250 mL distilled water, b) 6.25 g NH2NH2.H2O (Hydrazine) (Qualigens, 99% purity) in 250 mL of distilled water, c) 0.0124 g anhydrous PtCl4 (Merck) in 20 mL distilled water in presence of 2 mL concentrated HCl with continuous stirring for 1 h at 100° C. and d) 0.0046 g SbCl3 (Sigma-Aldrich, 99% purity) in 20 mL of distilled water in presence of 3 mL concentrated HCl with continuous stirring for 1 h at 100° C.

[0051]The aqueous solutions of the iron salt, antimony salt, platinum salt were mixed together in a 500 mL beaker and the final volume of the solution was adjusted to 300 mL followed by stirring for 10 min. The solution in the beaker was placed under a sonicator (ultrasonic processor, Sonics, 1500 Watt, model VCF1500) and the probe (diameter ˜2 cm) dipping length in the solution was ˜4 cm. During t...

example 2

[0054]In order to prepare a composition having 2.9 wt % Sb2O3, 1.4 wt % Pt and 95.7 wt % γ-Fe2O3, the following solutions were prepared: a) 2.424 g Fe(NO3)3.9H2O (Merck, 99% purity) in 250 mL distilled water, b, 6.25 g NH2NH2H2O (Qualigens, 99% purity) in 250 mL of distilled water, c) 0.0124 g anhydrous PtCl4 (Merck) in 20 mL distilled water in presence of 2 mL concentrated HCl with continuous stirring for 1 h at 100° C. and d) 0.0023 g SbCl3 (Sigma-Aldrich, 99% purity) in 20 mL of distilled water in presence of 3 mL concentrated HCl with continuous stirring for 1 h at 100° C.,

[0055]The aqueous solutions of the iron salt, antimony salt, platinum salt were mixed together in a 500 mL beaker and the final volume of the solution was adjusted to 300 mL followed by stirring for 10 min. The solution in the beaker was placed under a sonicator (ultrasonic processor, Sonics, 1500 Watt, model VCF1500) and the probe (diameter ˜2 cm) dipping length in the solution was ˜4 cm. During the sonicatio...

example 3

[0057]In order to prepare a composition having 9.9 wt % Sb2O3, 2.6 wt % Pt and 87.5 wt % γ-Fe2O3, the following solutions were prepared: a) 2.424 g Fe(NO3)3.9H2O (Merck, 99% purity) in 250 mL distilled water, b) 6.25 g NH2NH2.H2O (Qualigens, 99% purity) in 250 mL of distilled water, c) 0.0248 g anhydrous PtCl4. (Merck) in 20 mL distilled water in presence of 2 mL concentrated HCl with continuous stirring for 1 h at 100° C. and d) 0.0085 g SbCl3 (Sigma-Aldrich, 99% purity) in 2.0 mL of distilled water in presence of 3 mL concentrated HCl with continuous stirring for 1 h at 100° C.

[0058]The aqueous solutions of the iron salt, antimony salt, platinum salt were mixed together in a 500 mL beaker and final volume of the solution was adjusted to 300 mL followed by stirring for 10 min. The solution in the beaker was placed under a sonicator (ultrasonic processor, Sonics, 1500 Watt, model VCF1500) and the probe (diameter ˜2) dipping length in the solution was ˜4 cm, During the sonication (so...

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Abstract

The present invention provides a composition for acetone detection and a process of preparation thereof. The composition comprises γ-ferric oxide (γ-Fe2O3), antimony (Sb) salt, and platinum (Pt). The sensor fabricated using the said composition is selective to low concentration of breath acetone, the biomarker of diabetes, in presence of high amount of moisture normally present in breath. Such semiconductor sensors for diabetes monitoring are inexpensive, rugged, patient-friendly and on the top, non-invasive.

Description

FIELD OF THE INVENTION[0001]The present invention relates to the field of diagnostic methods and composition. More particularly, it relates to a composition for acetone detection. More specifically, it relates to a composition for acetone detection in breath useful for diabetic diagnostics and a process of preparation thereof. The composition of the present invention comprises γ-ferric oxide (γ-Fe2O3), antimony (Sb) salt, and platinum (Pt).BACKGROUND OF THE INVENTION[0002]The menace of diabetes is all pervading across the globe and with the growing rate of diabetic patients. India is going to be the capital of diabetes soon. However, an early detection of diabetes can lower the potential dangers of the killer disease. Blood sugar monitoring (Fasting plasma glucose and Oral glucose tolerance test) is a time-tested reliable method of diabetes detection. However, the process is expensive, and on the top, an invasive one. To get around the problem, different non-invasive and minimally-i...

Claims

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Application Information

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IPC IPC(8): G01N33/497B01J19/10
CPCG01N33/497G01N2033/4975B01J19/10A61B5/082A61B5/083A61B5/14532G01N33/64
Inventor SEN, AMARNATHRANA, SUBHASIS
Owner COUNCIL OF SCI & IND RES
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